6540336 has 60 divisors (see below), whose sum is σ = 19972680. Its totient is φ = 1981440.

The previous prime is 6540329. The next prime is 6540337. The reversal of 6540336 is 6330456.

6540336 is a `hidden beast` number, since 654 + 0 + 3 + 3 + 6 = 666.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6540337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (332878).

Almost surely, 2^6540336 is an apocalyptic number.

6540336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6540336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9986340).

6540336 is an abundant number, since it is smaller than the sum of its proper divisors (13432344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6540336 is a wasteful number, since it uses less digits than its factorization.

6540336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6540336 is about 2557.4080628636. The cubic root of 6540336 is about 187.0107994183.

It can be divided in two parts, 65 and 40336, that added together give a square (40401 = 201²).

The spelling of 6540336 in words is "six million, five hundred forty thousand, three hundred thirty-six".